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Partial differential equations (PDEs): Existence and uniqueness, regularity, boundary conditions, linear and non-linear operators, stability, soliton theory, integrable PDEs, conservation laws, qualitative dynamics.

1 vote
1 answer
87 views

Embedding to $L^\alpha(0,T;L^\beta(\Omega))$

Good day! Let $V = H^1(\Omega)$, $\Omega \subset \mathbb R^3$. Consider the space $W = \{ y \in L^2(0,T;V) \colon dy/dt \in L^2(0,T;V') \}$. It is well-known that $W \subset C([0,T];H)$ where $H = …
jokersobak's user avatar
1 vote
1 answer
354 views

Existence of the solution of a linear parabolic pde

Good day! Let $V = H^1(\Omega)$, $\Omega \subset \mathbb R^3$. Consider the linear parabolic equation $y' + Ay = f$ where $f \in L^q(0,T;V')$, $y \in W = \{y \in L^p(0,T;V) \colon dy/dt \in L^q(0,T; …
jokersobak's user avatar